David's Astronomy Pages Images - Session 1043 (2022-09-30)

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Images (S1044)

Objects	Session Notes
Nova Per 2020 - Nova (V1112 Per)     AT 2022kl - Variable Star Outburst (V0381 Lac) AT 2022ivv - Type YSO Transient AT 2022tmq - Type HPM Transient     UGC 3923 - Spiral Galaxy with Transient AT 2022rqc     Variable Stars (photometric monitoring) - None      Nearby Stars (astrometric monitoring) - DX Cnc	- All Night session (7.8h). Start delayed due to bug in AstroMain related to use of non-zero RainTrim and then interupted by high cloud / poor sky count until skies recleared at 04:00     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 8.5°C (min) - CCD Temperature:  -15° C - Notes from 2022-09-30 >>

Nova Per 2020 - Nova (V1112 Per, AT 2020abap)

Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 [ Novae ] Nova Per 2020 discovered independently by Seiji Ueda and Stanislav Korotkiy et al AT 2020abap (Type: CV) reported 2020/11/27.230 UT by PGIR Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per

Nova Per 2020 - 2022-10-01 (T+674.3d) Image below (2022-10-01.130) was taken 674.3 days after discovery of nova Nova (fading) is shown by white cross hairs.  Measured magnitude +17.11

Annotated CCD Image (100% size, linear scale, cropped) 4 x 90s exposure (average combine), 3x3 binning, Clear Filter 2022-10-01 03:10 UT (#1043021-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Per 2020 on Novae Page >>

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AT 2022kl - Variable Star Outburst (V0381 Lac)

AT 2022kl (Lacerta) AT 2022kl (Type: CV) discovered 2022-01-10.882 UT by MASTER Alias: MASTER OT J221558.82+422247.1,   V0381 Lac (Carbon Star) Pre-Print : The variable V381 Lac and its possible connection with the R CrB phenomenon (https://arxiv.org/pdf/1512.00146v1.pdf) Discovery Magnitude +13.6 vs pre-discovery mag > +20.2 (VegaMag)  ( TNS 2022kl )

AT 2022kl / V0381 Lac - 2022-09-30 (T+263.0d), B Band Image Image below (2022-09-30.885) was taken 263.0 days after discovery of 2022kl Measured magnitude  : 12.82 Note: Mag estimate is uncertain due to V0381 Lac's deep red (high B-V) colour)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, B Filter 2022-09-30 21:18 UT (#1043007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022kl on Transients 2022 Page >>

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AT 2022ivv - Type YSO Transient

AT 2022ivv (Auriga) AT 2022ivv (Type: YSO) discovered 2022-04-18.819 UT by Gaia Alias: Gaia22bry Known YSO VES 846 brightens by 0.25 mag Alerting magnitude 12.13 (vs Historic magnitude 12.47)  ( TNS 2022ivv , Gaia22bry )

AT 2022ivv - 2022-10-01 (T+165.3d) Image below (2022-10-01.138) was taken 165.3 days after discovery of 2022ivv Position of reported transient (bright) is shown by white cross-hairs Measured magnitude +12.31 (aperture 8)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-10-01 03:28 UT (#1043027-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022ivv on Transients 2022 Page >>

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AT 2022tmq - Type HPM Transient

AT 2022tmq (Cancer) AT 2022tmq (Type: HPM) discovered 2022-09-03.508 UT by ZTF Alias: ZTF22abfbpfg Discovery Magnitude +16.6 VegaMag (prior non-detection >+20.1)  ( TNS 2022tmq )

AT 2022tmq - 2022-10-01 (T+27.7d) Image below (2022-10-01.181) was taken 27.7 days after discovery of 2022tmq Measured Magnitude +11.49

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-10-01 04:30 UT (#1043042-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022tmq - Reference Image Position of reported transient is shown by purple cross-hairs Object is presumed to be a brightening and movement of the dim star that lies 30" to SE of the star's current position

DSS2 Colour Image captured via Aladin

Images of AT 2022tmq on Transients 2022 Page >>

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UGC 3923 - Spiral Galaxy with Type Ia Supernova 2022rqc

UGC 3923 with SN 2022rqc (Lynx) SN 2022rqc (Type: Ia)  discovered 2022-08-20.487 UT by ZTF Alias: ZTF22abbozja  ( Rochester Supernova site | TNS 2022rqc )

UGC 3923 - Spiral Galaxy

UGC 3923 with SN 2022rqc - 2022-10-01 (T+41.7d) Image below (2022-10-01.165) was taken 41.7 days after discovery of 2022rqc Position of reported supernova is shown by white cross-hairs Measured magnitude +14.88 (nucleus + transient)  (aperture 8)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-10-01 04:06 UT (#1043034-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022rqc (UGC 3923) on Supernova 2022 Page >>

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