Possible nova

CBAT TOCP Report

TOCP Designation: PNV J00432258+4119025
Observation Date: 2021 09 11.6015
Remarks: Mi Zhang, Chunpeng Bi, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 18.2 on several 300-s survey image (limiting mag about 20.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Sep. 11.60153 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h43m22.58s +41d19’02”.5 (equinox 2000.0). Which is about 431.4" east and 174" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Sep. 08.94443 (limiting mag 20.5) . Images can be found at: http://xjltp.china-vo.org/psp21i.html

Possible nova

CBAT TOCP Report

TOCP Designation: PNV J00424297+4117574
Observation Date: 2021 09 11.6015
Remarks: Mi Zhang, Chunpeng Bi, Shuai Huang, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 17.0 on several 300-s survey image (limiting mag about 20.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Sep. 11.60153 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m42.97s +41d17’57”.4 (equinox 2000.0). Which is about 15.2" west and 108.9" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Sep. 08.94443 (limiting mag 20.5) . Images can be found at: http://xjltp.china-vo.org/psp21h.html

Possible nova

CBAT TOCP Report

TOCP Designation: J00432258+4119025
Observation Date: 2021 09 11.6015
J2000 Position: 00 43 22.58 +41 19 02.5
Magnitude: 18.2 G
Offset (arcseconds): 431E 174N
Locale: M31
Nights_between frames: 9
Prior discoveries: R

Possible nova

CBAT TOCP Report

TOCP Designation: J00424297+4117574
Observation Date: 2021 09 11.6015
J2000 Position: 00 42 42.97 +41 17 57.4
Magnitude: 17.0 G
Offset (arcseconds): 15W 109N
Locale: M31
Nights_between frames: 9
Prior discoveries: R

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J04023940+4250546
Observation Date: 2021 09 02.3591
Remarks: GEOTS confirms bad astrometry solution due to transient being at the edge of the field. Transient is most likely an outburst of V1024 Per. Followup spectral observation of the transient by Claudio Balcon (Belluno A.O.- ISSP) also confirms the presence of a CV possibly at the location of V1024 Per. https://www.wis-tns.org/object/2021xrf

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J23345994+1257400
Observation Date: 2021 09 04.8392
Remarks: Jiayi Qin, Xing Gao, Mi Zhang (Xingming Obs), report the discovery of a variable star candidate (15.8 G). The source appears to correspond to object Gaia DR2 2764943608355285376 (G=19.2) in the Gaia DR2. Discovery was made on one 30-s survey image (limiting mag about 19.0) taken by Xing Gao around 2021 Sep. 04.83922 UT at Xingming Observatory #2 (N89) using a unfiltered CCD (0.5-m f/4 reflector). Images can be found at: http://xjltp.china-vo.org/PSP21E.html

Possible transient object

CBAT TOCP Report

TOCP Designation: J23345994+1257400
Observation Date: 2021 09 04.8392
J2000 Position: 23 34 59.94 +12 57 40.0
Magnitude: 15.8 G
Locale: Peg
Nights_between frames: 9
Prior discoveries: R

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J04023940+4250546
Observation Date: 2021 09 03.24043
Remarks: No new objects are visible down to a limiting magnitude ~16 on the unfiltered CCD images of the field obtained on 2021-09-03 05:46 UT with the 0.6m telescope of the Michigan State University Campus Observatory. The images are available at http://scan.sai.msu.ru/~kirx/img/TCPJ04023940+4250546/ A dwarf nova V1024 Per is locate 10" from the reported transient position. ---- Kirill Sokolovsky

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J04023940+4250546
Observation Date: 2021 09 02.3591
Remarks: Discovered by B. Kumar (Golden Ears Observatory Transient Survey - GEOTS) at Golden Ears Observatory, Maple Ridge, BC, Canada, in three 30-second unfiltered exposures using a 0.36-m f/2 Schmidt-Cassegrain + CCD, with magnitude 13.5 under limiting magnitude 18.0. Nothing is visible at this position on archival images taken on 2021 Aug 20.4502 UT (limiting mag 18.0).

Possible transient object

CBAT TOCP Report

TOCP Designation: J04023940+4250546
Observation Date: 2021 09 02.3591
J2000 Position: 04 02 39.40 +42 50 54.6
Magnitude: 13.5 C
Locale: Per
Nights_between frames: 0
Prior discoveries: 0

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J19092450+3041330
Observation Date: 2021 08 30.464
Remarks: ollow-up : mag is +14.692U(Rmag) +15.350(Bmag), +14.791(Vmag), +14.682(Rc mag)) Comparison star UCAC-4 with 0.36m FLI ML1001E 30secĂ—18, obs by, Yasuo Sano(Nayoro Hokkaido, Japan) http://sn1997ef.web.fc2.com/sn/variable/2021_ztf21abvytzx_20210830_d-nova.html

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J19092450+3041330
Observation Date: 2021 08 29.6223
Remarks: Discovered by Yuji Nakamura, Kameyama, Mie, Japan, on four frames (30-s exp. limiting mag 15.5) taken by 10cm/F3.0 refractor and CMOS camera. Nothing is visible at this location on the frames taken on 2021 Aug. 25.6101 UT (30-s exp. limiting mag 15.5) by same instrument.

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J17042480+1007380
Observation Date: 2021 08 29.5589
Remarks: Discovered by Yuji Nakamura, Kameyama, Mie, Japan, on two frames (30-s exp. limiting mag 15.5) taken by 10cm/F3.0 refractor and CMOS camera. Nothing is visible at this location on the frames taken on 2021 Aug. 28.5812 UT (30-s exp. limiting mag 15.5) by same instrument.

Possible transient object

CBAT TOCP Report

TOCP Designation: J19092450+3041330
Observation Date: 2021 08 29.6223
J2000 Position: 19 09 24.50 +30 41 33.0
Magnitude: 14.4 U
Locale: Lyr
Nights_between frames: 0
Prior discoveries: 9+

Possible transient object

CBAT TOCP Report

TOCP Designation: J17042480+1007380
Observation Date: 2021 08 29.5589
J2000 Position: 17 04 24.80 +10 07 38.0
Magnitude: 13.1 U
Locale: Oph
Nights_between frames: 0
Prior discoveries: 9+

Possible nova

CBAT TOCP Report

TOCP Designation: PNV J05393469+5715159
Observation Date: 2021 08 27.8730
Remarks: Guoyou Sun (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory), report the discovery of a possible nova (13.57 C) which is 21.923 gmag in Pan-STARRS DR1 catalogue (PS1 objID 176700848943505888). The transient was discovered on several 60-s survey images (limiting mag about 19.0) taken Xing Gao by at Xingming Observatory-KATS, Nanshan (N86) around Aug. 27.87299, 2021 UT using a unfiltered CCD (0.28-m f/2.2 reflector). Images can be found at: http://xjltp.china-vo.org/XMK001.html

Possible nova

CBAT TOCP Report

TOCP Designation: J05393469+5715159
Observation Date: 2021 08 27.8730
J2000 Position: 05 39 34.69 +57 15 15.9
Magnitude: 13.5 C
Locale: Cam
Nights_between frames: -
Prior discoveries: R

Possible nova

CBAT TOCP Report

TOCP Designation: PNV J00394278+4135145
Observation Date: 2021 08 21.7852
Remarks: (5234) Sechenov ďźŸ

Possible nova

CBAT TOCP Report

TOCP Designation: J00394278+4135145
Observation Date: 2021 08 21.919
J2000 Position: 00 39 42.78 +41 35 14.5
Magnitude: 16.4 R
Offset (arcseconds): 2042W1146N
Locale: M31
Nights_between frames: 0
Prior discoveries: H

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J00202018+5918404
Observation Date: 2021 08 19.602
Remarks: AT2019twu = https://www.wis-tns.org/object/2019twu, K.Itagaki

Possible transient object

CBAT TOCP Report

TOCP Designation: J00202018+5918404
Observation Date: 2021 08 19.6018
J2000 Position: 00 20 20.18 +59 18 40.4
Magnitude: 17.5 U
Locale: IC-10
Nights_between frames: 0
Prior discoveries: I

Possible nova

CBAT TOCP Report

TOCP Designation: PNV J00420058+4108483
Observation Date: 2021 07 24.8772
Remarks: Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 20.1 on several 300-s survey image (limiting mag about 20.5) taken by Xing Gao at Xingming Observatory #3 (N88) around July. 24.90322 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m00.58s +41d08’48”.3 (equinox 2000.0). Which is about 493.2" west and 440.2" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on July. 17.81882 (limiting mag 20.5) . Images can be found at: http://xjltp.china-vo.org/xm57mz.html

Possible supernova

CBAT TOCP Report

TOCP Designation: PSN J02292803+3138385
Observation Date: 2021 08 11.9305
Remarks: Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a possible supernova (mag approximately 17.3 on several 40-s survey image (limiting mag about 18.0) taken by Xing Gao at Xingming Observatory #3 (N88) around Aug. 11.93050 UTC using a unfiltered CCD (+Celestron C14 SchmidtCassegrain telescope D=356mm @f/6.9). The transient approximately located at R.A.=02h29m28.03s +31d38’38”.5 (equinox 2000.0). Which is about 6.6" east and 10.9" north of the center of the NGC940. Nothing is visible at this position on archival images taken on July. 27.88801 (limiting mag 18.0) . Images can be found at: http://xjltp.china-vo.org/psp21d.html

Possible supernova

CBAT TOCP Report

TOCP Designation: J02292803+3138385
Observation Date: 2021 08 11.9305
J2000 Position: 02 29 28.03 +31 38 38.5
Magnitude: 17.3 V
Locale: NGC 940
Nights_between frames: 9
Prior discoveries: R

Possible supernova

CBAT TOCP Report

TOCP Designation: J02292803+3138385
Observation Date: 2021 08 11.9305
J2000 Position: 02 29 28.03 +31 38 38.5
Magnitude: 17.3 V
Locale: NGC 940
Nights_between frames: 9
Prior discoveries: R

Possible nova

CBAT TOCP Report

TOCP Designation: J00420058+4108483
Observation Date: 2021 07 24.8772
J2000 Position: 00 42 00.58 +41 08 48.3
Magnitude: 20.1 V
Offset (arcseconds): 493W 440S
Locale: M31
Nights_between frames: 9
Prior discoveries: R

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J04381909+6016512
Observation Date: 2021 08 05.4065
Remarks: Discovered by B. Kumar (Golden Ears Observatory Transient Survey - GEOTS) at Golden Ears Observatory, Maple Ridge, BC, Canada, in three 30-second unfiltered exposures using a 0.36-m f/2 Schmidt-Cassegrain + CCD, with magnitude 16.7 under limiting magnitude 18.0. Nothing is visible at this position on archival images taken on 2021 July 30.4270 UT (limiting mag 18.0).

Possible transient object

CBAT TOCP Report

TOCP Designation: J04381909+6016512
Observation Date: 2021 08 05.4065
J2000 Position: 04 38 19.09 +60 16 51.2
Magnitude: 16.7 C
Locale: Cam
Nights_between frames: 0
Prior discoveries: 0

Possible nova

CBAT TOCP Report

TOCP Designation: PNV J00424542+4152233
Observation Date: 2021 07 26.8741
Remarks: Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 17.9 on several 30-s survey image (limiting mag about 18.5) taken by Xing Gao at Xingming Observatory #2 (N89) around July. 26.87413 UTC using a unfiltered CCD ( 0.5-m f/4 reflector ). The transient approximately located at R.A.=00h42m45.42s +41d52’23”.3 (equinox 2000.0). Which is about 12.4" east and 2174.8" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on July. 25.79365 (limiting mag 18.5) . Images can be found at: http://xjltp.china-vo.org/xm56mz.html

Possible nova

CBAT TOCP Report

TOCP Designation: J00424542+4152233
Observation Date: 2021 07 26.8741
J2000 Position: 00 42 45.42 +41 52 23.3
Magnitude: 17.9 V
Offset (arcseconds): 12E2175N
Locale: M31
Nights_between frames: 9
Prior discoveries: R

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J19303358+1209059
Observation Date: 2021 07 31.3080
Remarks: Discovered by B. Kumar (Golden Ears Observatory Transient Survey - GEOTS) at Golden Ears Observatory, Maple Ridge, BC, Canada, in three 30-second unfiltered exposures using a 0.36-m f/2 Schmidt-Cassegrain + CCD, with magnitude 16.6 under limiting magnitude 17.7. Nothing is visible at this position on archival images taken on 2021 July 10.3848 UT (limiting mag 17.7).

Possible transient object

CBAT TOCP Report

TOCP Designation: J19303358+1209059
Observation Date: 2021 07 31.3080
J2000 Position: 19 30 33.58 +12 09 05.9
Magnitude: 16.6 C
Locale: Aql
Nights_between frames: 0
Prior discoveries: 0

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J00162492+5536530
Observation Date: 2021 07 30.2730
Remarks: Discovered by B. Kumar (Golden Ears Observatory Transient Survey - GEOTS) at Golden Ears Observatory, Maple Ridge, BC, Canada, in three 30-second unfiltered exposures using a 0.36-m f/2 Schmidt-Cassegrain + CCD, with magnitude 17.4 under limiting magnitude 18.3. Nothing is visible at this position on archival images taken on 2021 July 24.3224 UT (limiting mag 18.0).

Possible transient object

CBAT TOCP Report

TOCP Designation: J00162492+5536530
Observation Date: 2021 07 30.2730
J2000 Position: 00 16 24.92 +55 36 53.0
Magnitude: 17.4 C
Locale: Cas
Nights_between frames: 0
Prior discoveries: 0

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J20210770+2914093
Observation Date: 2021 07 29.9
Remarks: It is getting brighter. New observations remotely using 0.355-m f/6.2 Schmidt-Cassegrain telescope of Abbey Ridge Observatory (Canada): 2021 Jul. 29.24669 = 10.946 V; Jul. 29.24751 = 11.623 B; Jul. 29.24836 = 10.38 Rc; Jul. 29.24918 = 9.778 Ic. Filipp Romanov (Russia).

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J20210770+2914093
Observation Date: 2021 07 24.85
Remarks: Follow-up observations remotely using 0.355-m f/6.2 Schmidt-Cassegrain telescope of Abbey Ridge Observatory (Canada): 2021 Jul. 24.20152 = 12.10 V; Jul. 24.20234 = 12.73 B; Jul. 24.20318 = 11.44 Rc; Jul. 24.20401 = 10.84 Ic. Filipp Romanov (Russia).

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J00392037+5822091
Observation Date: 2021 07 24.3064
Remarks: Discovered by B. Kumar (Golden Ears Observatory Transient Survey - GEOTS) at Golden Ears Observatory, Maple Ridge, BC, Canada, in three 30-second unfiltered exposures using a 0.36-m f/2 Schmidt-Cassegrain + CCD, with magnitude 16.4 under limiting magnitude 18.0. Nothing is visible at this position on archival images taken on 2021 July 21.3742 UT (limiting mag 18.0).

Possible transient object

CBAT TOCP Report

TOCP Designation: J00392037+5822091
Observation Date: 2021 07 24.3064
J2000 Position: 00 39 20.37 +58 22 09.1
Magnitude: 16.4 C
Locale: Cas
Nights_between frames: 0
Prior discoveries: 0

Possible transient object

CBAT TOCP Report

TOCP Designation: J01333854+3035364
Observation Date: 2021 07 20.7037
J2000 Position: 01 33 38.54 +30 35 36.4
Magnitude: 17.5 U
Offset (arcseconds): 160W 240S
Locale: M33
Nights_between frames: 0
Prior discoveries: I

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J20210770+2914093
Observation Date: 2021 07 20.8883
Remarks: This transient was observed by Gianluca Masi, remotely using the 17" robotic unit part of the Virtual Telescope Project facility in Ceccano, Italy. Unfiltered, 60-second images show the source at mag. 11.7 (R mags for the reference stars from Gaia DR2). We also performed astrometry, getting the following end figures: 07.70s; 09”.0 (J2000.0, mean residuals of 0.2" on both axes)

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J00505644+5351524
Observation Date: 2021 7 20.1607
Remarks: Photometry result was V=15.31 with iTelescope T18 (0.32-m f/8.0 CDK astrograph + SBIG STXL-6303E) at Nerpio, Spain. Seiichiro Kiyota (Japan)

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J00505644+5351524
Observation Date: 2021 07 18.3098
Remarks: Discovered by B. Kumar (Golden Ears Observatory Transient Survey - GEOTS) at Golden Ears Observatory, Maple Ridge, BC, Canada, in three 30-second unfiltered exposures using a 0.36-m f/2 Schmidt-Cassegrain + CCD, with magnitude 14.8 under limiting magnitude 18.0. Nothing is visible at this position on archival images taken on 2021 July. 15.3592 UT (limiting mag 18.0).

Possible transient object

CBAT TOCP Report

TOCP Designation: J00505644+5351524
Observation Date: 2021 07 18.3098
J2000 Position: 00 50 56.44 +53 51 52.4
Magnitude: 14.8 C
Locale: Cas
Nights_between frames: 0
Prior discoveries: 0

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J20210770+2914093
Observation Date: 2021 07 16.8995
Remarks: July 16.8995 UT 12.42TG magnitudes (using green filters) remotely with a 150mm http://iTelescope.net APO Refractor in Nerpio, Spain. Image: https://twitter.com/fidusz/status/1416585687558725639 -- Robert Fidrich, Budapest, Hungary

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J18402428+3734443
Observation Date: 2021 07 17.50324
Remarks: F. Watanabe (Nayoro Observatory, Hokkaido, Japan) reports that no optical counterpart was observed at the predicted position with a 5-sigma upper limit R >20.51 on Jal. 17.50 UT using a 0.4-m f/10 Meili telescope.

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J20210770+2914093
Observation Date: 2021 07 17.584
Remarks: Mag : 2021 07 17.461 = 12.4 . 2021 07 17.584 = 12.6 (K.Itagaki)

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J18402428+3734443
Observation Date: 2021 07 17.525
Remarks: Not visible in image taken with Canon 800D and 200mm lens, 10 x 10 sec, ISO 12800, F/3.5 with limiting magnitude ~16.0. Observer Rob Kaufman at White Cliffs, NSW, Australia (30.85S, 143.09E).

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J20210770+2914093
Observation Date: 2021 07 16.7553
Remarks: Astrometry and photometry with the 0.6m SAI Moscow State University telescope (Kislovodsk, Russia): 20:21:07.703 +29:14:09.25 +/-0.10 J2000; JD(UT)2459412.25529 B=12.77, 2459412.25584 V=12.19, 2459412.25610 Rc=11.46, 2459412.25633 Ic=11.24. The photometric uncertainty is about 0.01 mag in all bands, the magnitude scale is calibrated against APASS stars in the field (Rc and Ic magnitudes of comparison stars are color-transformed from APASS r and i). ---- N. Ikonnikova, K. Sokolovsky

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J20210770+2914093
Observation Date: 2017 07 16.492
Remarks: 2021 07 15.489 [14.2 (180mm camera lens + CCD )K.Itagaki

Possible transient object

CBAT TOCP Report

TOCP Designation: TCP J18402428+3734443
Observation Date: 2021 07 16.6458
Remarks: Discovered by Ryoichi Irie, Toyooka, Hyogo, Japan, on single frame (60-s exp. limiting mag 17.0) taken by Takahashi epsilon-180 (18cm/F2.8 reflector) and Nikon D600 camera. Nothing is visible at this location on the frames taken on 2020 Apr. by same instrument.