David's Astronomy Pages Images - Session 1127 (2023-08-08)

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C/2023 E1 (ATLAS) - Comet     AT 2022wut - Transient (Unconfirmed)     M33 - Spiral Galaxy with Transient AT 2023nou M101 - Spiral Galaxy with Type IIL Supernova 2023ixf NGC 5297 - Spiral Galaxy with Transient AT 2023mlt (Unconfirmed) NGC 7769 - Spiral Galaxy with Type II Supernova 2022aedu     UGC 9350 - Spiral Galaxy with Type Ib Supernova 2023nny     -  AT2023ctz attempt failed (due to poor guiding / poor sky transparency)     Variable Stars (photometric monitoring) - SS Cyg      Nearby Stars (astrometric monitoring) -  HH And, Barnards Star   -

- Attempted all night session (4.5 hrs),  interrupted by cloud on two occasions     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 7.5°C (min) - CCD Temperature:  -10° / -15° C - Notes from 2023-08-08 >>     -

C/2023 E1 (ATLAS) - Comet

C/2023 E1 (ATLAS) - 2023-08-08 (passing through Cygnus) Sun Distance 1.21 AU Earth Distance 0.40 AU (59.1 million km)		C/2023 E1 (ATLAS) 2023-08-08, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 107.13 arcsec/hr, Dec -258.84 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, Clear Filter 2023-08-08 23:24 UT (#1127039-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) 14 x 45s exposure (average combine), 3x3 binning, Clear Filter 2023-08-08 23:30 UT (#1127039-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2023 E1 (ATLAS) on Comets 2023 Page >>

C/2023 E1 (ATLAS) - 2023-08-08 showing motion over a 13 minute period Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 107.13 arcsec/hr, Dec -258.84 arcsec/hr)

Annotated CCD Image (70% size, square root scale) 14 x 45s exposure (average combine), 3x3 binning, Clear Filter 2023-08-08 23:30 UT (#1127039-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Frames aligned on stars in CCDSoft and then Stacked using Sigma Beta 10's Maximum function

Annotated CCD Image (70% size, square root scale) Images details as above

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AT 2022wut - Transient (Attempt)

AT 2022wut (Aquila) AT 2022wut (Type: unk) discovered 2022-10-05.190 UT by ZTF Alias: ZTF22ablcjkn  ( TNS 2023mlt )

AT 2022wut - 2023-08-08 (T+307.8d) Image below (2023-08-08.961) was taken 307.8 days after discovery of 2022wut Position of reported transient (no longer visible) is indicated by white cross-hairs.

Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-08 23:09 UT (#1127033-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022wut on Transients 2022 Page >>

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M33 - Spiral Galaxy with Transient AT 2023nou

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M101 - Spiral Galaxy with Type IIL Supernova 2023ixf

M101 with SN 2023ixf (Ursa Major) SN 2023ixf (Type: IIL) discovered 2023-05-19.727 UT by Koichi Itagaki Alias: ZTF23aaklqou, AT2023iyi, AT2023jgd, AT2023jfz, PSN J14033858+5418421, PS23dij Discoverer Mag 14.9 (Clear filter)  ( Rochester Supernova site | TNS 2023ixf )

M101 with SN 2023ixf - 2023-08-09 (T+81.3d) Image below (2023-08-09.013) was taken 81.3 days after discovery of 2023ixf Position of supernova (still distinct but fading) is shown by white cross-hairs Measured Magnitude +12.83

Annotated CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-09 00:25 UT (#1127075-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023ixf (M101) on Supernova 2023 Page

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NGC 5297 - Spiral Galaxy with Transient AT 2023mlt (Unconfirmed)

NGC 5297 with AT 2023mlt (Canes Venatici) AT 2023mlt (Type: unconf) discovered 2023-07-06.821 UT by Mohammad Odeh Discovery Magnitude 11.8 ( I-Cousins Filter) vs Last Non Detection 16.5 limiting mag TNS note "This is not a real object. Please ignore"  ( TNS 2023mlt | Gaia23bay)

NGC 5297 - Spiral Galaxy with adjacent small galaxy NGC 5296

Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-08 22:16 UT (#1127005-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5297 with AT 2023mlt - 2023-08-08 (T+33.1d) Image below (2023-08-08.926) was taken 33.1 days after discovery of 2023mlt Position of reported transient (not visible ?) is indicated by white cross-hairs. This is adjacent to mag 9.5 star SAO 44745 (GSC 3032:258) TNS Report for AT 2023mlt shows  "This is not a real object. Please ignore"

Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-08 22:16 UT (#1127005-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023mlt (in NGC 5297) on Transients 2023 Page >>

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NGC 7769 - Spiral Galaxy with Type II Supernova 2022aedu

NGC 7769 with SN 2022aedu (Pegasus) 2022aedu (Type: SN II) discovered 2022-12-31.384 UT by Koichi Itagaki Discovery Mag +16.9 (Clear Filter)  ( TNS 2022aedu )

NGC 7769 with SN 2022aedu - 2023-08-09 (T+220.7d) Image below (2023-08-09.069) was taken 220.7 days after discovery of 2022aedu Position of reported supernova (not visible / ? faded) is shown by white cross-hairs Poor quality image (passing cloud / poor sky transparency)

Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-09 01:47 UT (#1127100-03) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7769 with SN 2022aedu - Earlier Image, 2023-01-09 (T+9.4d) Image below (2023-01-09.814) was taken 9.4 days after discovery of 2022aedu Position of reported supernova (faint) is shown by white cross-hairs Estimated Magnitude +15.9 (by comparison)

Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-01-09 19:39 UT (#1084051-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022aedu (in NGC 7769) on Supernova 2022 Page >>

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UGC 9350 - Spiral Galaxy with Type Ib Supernova 2023nny

UGC 9350 with SN 2023nny (Bootes) SN 2023nny (Type: Ib) discovered 2023-07-20.221 UT by ALeRCE Alias: ZTF23aaszwst Discovery Magnitude 17.72 (g-ZTF Filter)  ( TNS 2023nny )

UGC 9350 - Spiral Galaxy UGC 9350 (alias PGC 51928) with adjacent small galaxy PGC 51926 and the larger galaxy NGC 5675. Bright star near to UGC 9350 is GSC 2559:1043 (mag 11.4) Note :Two satellite tracks are recorded in the image

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-09 00:05 UT (#1127067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 9350 with SN 2023nny - 2023-08-08 (T+19.8d) Image below (2023-08-08.997) was taken 19.8 days after discovery of 2023nny Position of reported transient (not distinguishable) is indicated by white cross-hairs.

Annotated CCD Image (175% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-09 00:05 UT (#1127067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023nny (in UGC 9350) on Supernova 2023 Page >>

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