David's Astronomy Pages Images - Session 1042 (2022-09-27)

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AT 2022kl - Variable Star Outburst (V0381 Lac) AT 2022ods - Type ulens? Transient (Probably faded)) AT 2022tqu - Type Nova Transient AT 2022vxe - Type YSO? Transient     NGC 6745 - Spiral Galaxy with Type IIn Supernova 2022prr     UGC 2508 - Spiral Galaxy with Transient AT 2022trp (Attempt)       - AT 2022tmq attempt failed (due to cloud)     Variable Stars (photometric monitoring) - U And      Nearby Stars (astrometric monitoring) - HH And, Teegardens Star

- All Night session (7.2h). Start delayed due to cloud & rain, but sky then cleared and remained clear until dawn.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 6°C (min) - CCD Temperature:   -15° C - Notes from 2022-09-27 >>

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 - 2022-09-27 (T+260.d), B Band Image Image below (2022-09-27.840) was taken 260.0 days after discovery of 2022kl Measured magnitude  : 12.80 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 2022-09-27 20:12 UT (#1042006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022kl / V0381 Lac - 2022-09-24 (T+260.0d), R Band Image Image below (2022-09-27.848) was taken 260.0 days after discovery of 2022kl Measured magnitude  : 11.36 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, R Filter 2022-09-27 20:25 UT (#1042016-20) 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 2022ods - Type ulens? Transient (probably faded)

AT 2022ods (Perseus) AT 2022ods (Type: ulens?) discovered 2022-07-02.095 UT by Gaia Alias: Gaia22ctm Discovery Mag +10.71 ABMag (vs historic mag +10.91) 0.2 mag rise in brightness [ TNS 2022ods | Gaia22ctm ]

AT 2022ods - 2022-09-28 (T+88.0d) Image below (2022-09-28.094) was taken 88.0 days after discovery of 2022ods Measured magnitude  +11.31 Transient is likely returned to historic levels (or lower)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-28 02:24 UT (#1042088-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022ods on Transients 2022 Page >>

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AT 2022tqu - Type Nova Transient

AT 2022tqu (Auriga) AT 2022tqu (Type: Nova) discovered 2022-09-06.418 UT by Kumar Alias: GEOTS-2022-013 Discovery Magnitude +12.7 (Clear Filter)  ( TNS 2022tqu )

AT 2022tqu - 2022-09-28 (T+21.7d) Image below (2022-09-28.109) was taken 21.7 days after discovery of 2022tqu Position of reported transient (distinct but f) is shown by white cross-hairs Measured magnitude +15.17 (aperture 8)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-28 02:46 UT (#1042095-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022tqu on Transients 2022 Page >>

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AT 2022vxe - Type YSO? Transient

AT 2022vxe (Cygnus) AT 2022vxe (Type: YSO?) discovered 2022-09-24.523 UT by Gaia Alias: Gaia22dzx Brightening in candidate YSO Alerting Magnitude 12.34 ( vs historic mag 12.65)  ( TNS 2022vxe, Gaia22dzx )

AT 2022vxe - 2022-09-28 (T+3.5d) Image below (2022-09-28.040) was taken 3.5 days after discovery of 2022vxe Position of reported transient (bright) is shown by white cross-hairs Measured magnitude +11.72

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-28 01:07 UT (#1042032-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022vxe on Transients 2022 Page >>

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NGC 6745 - Spiral Galaxy with Type IIn Supernova 2022prr

NGC 6745 with SN 2022prr (Lyra) SN 2022prr (Type: IIn) discovered 2022-07-27.300 UT by ASAS-SN Alias: ASASSN-22jne Discovery Mag +17.3  ( Rochester Supernova site | TNS 2022prr )

NGC 6745 with SN 2022prr - 2022-09-27 (T+62.6d) Image below (2022-09-27.857) was taken 62.6 days after discovery of 2022prr Position of SN (distinct) is shown by white cross-hairs Measured magnitude +14.81

Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-27 20:37 UT (#1042024-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022prr (NGC 6745) on Supernovae 2022 Page >>

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UGC 2508 - Spiral Galaxy with Transient AT 2022trp - Attempted Observation

UGC 2508 with AT 2022trp (Eridanus) AT 2022trp (Type: unk) discovered 2022-09-07.627 UT by PS1 Alias: PS22iaq Discovery Magnitude +17.86 ABMag  ( Rochester Supernova site | TNS 2022trp )

UGC 2508 - Spiral Galaxy Slight glare at bottom of image is from HIP 14194 (mag 7.5),  1.7' outside FOV

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-28 02:01 UT (#1042082-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2508 with AT 2022trp - 2022-09-28 (T+20.5d) Image below (2022-09-28.078) was taken 20.5 days after discovery of 2022trp Position of reported transient (indistinct) is shown by white cross hairs.

Annotated CCD Image  (175% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-28 02:01 UT (#1042082-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022trp (UGC 2508) on Transients 2022 Page >>

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