David's Astronomy Pages CCD Images - Session 929 (2021-10-29)

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Images (S930)

Objects	Session Notes
M31 - Spiral Galaxy with Extragalactic Nova EGN 2021aceg     NGC 9 - Spiral Galaxy with Type Ib Supernova 2021zju     UGC 235 - Spiral Galaxy with Type II Supernova 2021aazm        - NGC 1166 w/SN2021zby attempt failed (due to Cloud)       Variable Stars (photometric monitoring) - RX And, SS Cyg, BL Lac, RR Lyr, GK Per      Nearby Stars (astrometric monitoring) - Groombridge 34	- Full night Session (8.8 hours). - Clear skies all night but poor seeing and moonlit - Main aims of the session were to acquire a selection of targets including  Comet 67P/Churyumov-Gerasimenko - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 12°C (min) - CCD Temperature:  -10°C - Notes from 2021-10-29 >>    [ Local Files >> ]   -

M31 - Spiral Galaxy with Extragalactic Nova 2021aceg

Nova 2021aceg in M31 (Andromeda) AT2021aceg (Type: EGN) discovered 2021-10-25.570 UT by XOSS Alias: PSP21ac, PNV J00473256+3938102 Discovery Magnitude 16.1 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 17.5  (Rochester Supernova site | Rochester EGN Page | Klaus Wenzel image ) ( TNS 2021aceg )

M31 with AT 2021aceg Image taken with secondary scope showing position of reported transient (blue circle)

CMOS Image (16% size) 10s exposure (stacked), 1x1 binning 2021-10-30 02:30 UT (#Cam2_Ref) TS 80mm APO, ZWO ASI178MC & PHD2

Nova M31 AT 2021aceg (T+4.5d)  FOV of CCD image below is shown as a yellow rectangle in CMOS image above Position of EGN is indicated by white cross-hairs

Annotated CCD Image  (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 01:37 UT (#929109-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova M31 AT 2021aceg - 2021-10-30 (T+4.5d) Image below (2021-10-30.065) was taken 4.5 days after discovery of 2021aceg Position of EGN (faint but distinct) is shown by white cross-hairs Measured magnitude +16.87 (Clear Filter)

Annotated CCD Image  (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 01:37 UT (#929109-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova AT 2021aceg (in M31) on Transients 2021 Page >>

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NGC 9 - Spiral Galaxy with Type Ib Supernova 2021zju

NGC 9 with SN 2021zju (Pegasus) SN 2021zju (Type: Ib) discovered 2021-09-24.483 UT by ATLAS Alias: ATLAS21bjbm, ZTF21acdxhuv  (Rochester Supernova site | Enrico Prosperi image )

NGC 9 with SN 2021zju - 2021-10-30 (T+35.5d) Image below (2021-10-30.017) was taken 35.5 days after discovery of 2021zju Position of SN (faint) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 00:32 UT (#929073-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021zju (NGC 9) on Supernovae 2021 Page >>

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UGC 235 - Spiral Galaxy with Type II Supernova 2021aazm

UGC 235 with SN2021aazm (Andromeda) SN 2021aazm (Type: II) discovered 2021-10-09.830 UT by XOSS Alias: XM75HT Discovery Magnitude 18.32 (Clear Filter)  (Rochester Supernova site | Stan Howerton image | TNS 2021aazm )

UGC 235 with SN 2021aazm - 2021-10-30 (T+20.2d) Image below (2021-10-30.050) was taken 20.2 days after discovery of 2021aazm Position of supernova (very faint) is shown by white cross-hairs Estimated Magnitude +18.8 (Clear Filter)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 01:21 UT (#929102-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN2021abko (UGC 235) on Supernovae 2021 Page >>

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