David's Astronomy Pages CCD Images - Session 678 (2019-08-02)

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Session Notes

C/2018 Y1 (Iwamoto) - Comet     UGC 118 & PGC 212483 - Spiral Galaxies   (previously with Supernova AT2019B)     Photometric Monitoring - Variables   - RX And, U And, Z And, CI Cyg, AM Her, SS Her, U Her, BL Lac, CY Lyr, FG Sge, V Sge, X Tri S Cyg attempt failed due to cloud     Astrometric Monitoring - Nearby Stars  - Barnards Star, HH And, EV Lac, Teegardens Star

- Late evening / night session,  Duration 4.0hr Session operated in  fully automated mode. Session was interrupted by one spell of cloudy sky. - Main aim of the session was to return observatory to use after summer recess and perform general observing with mix of variable stars, nearby stars, comets and deep sky targets.      - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  10°C (min) - CCD Temperature:  -15°C  (100% av. power)  (Notes:  set temperature was too low ) - Notes from 2019-08-02 >>

C/2018 Y1 (Iwamoto) - Comet

C/2018 Y1 (Iwamoto) (passing through Perseus) Sun Distance 2.74 AU Earth Distance 3.15 AU (471.8 million km) Location of comet (catalogue mag +18.4) is shown by white circle		C/2018 Y1 (Iwamoto) - Closer View Comet can only just be seen as a faint object at position shown by the white cross hairs.
Annotated CCD Image (50% size) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2019-08-02 23:11 UT (#678088-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, cropped) Image details as left.
More Images of C/2018 Y1 (Iwamoto)
C/2018 Y1 (Iwamoto) - Earlier Image (2019-03-04) (passing through Auriga) Sun Distance 1.34 AU Earth Distance 0.83 AU (123.5 million km)		C/2018 Y1 (Iwamoto) - Earlier Detail (2019-03-04) Aligned on Comet
CCD Image (50% size) 2 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-04 21:51 UT (#671032-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (50% size, logscale) 11 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-04 21:51 UT (#671032-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 118 & PGC 212483 - Spiral Galaxies (previously with Supernova AT2019B)

UGC 118 (NGC 42)  & PGC 212483 with SN 2019B (Pegasus) SN 2019B (Type II, z=0.021) discovered 2019/01/01.250 by All Sky Automated Survey for SuperNovae (ASAS-SN)  (Rochester Supernova site |  Discovery Image  ) The Rochester site implies that the SN is associated with UGC 118, but another possibility is that the SN is actually associated with galaxy PGC 212483 as it has a smaller offset.

UGC 118 / NGC 42  & PGC 212483 - 2019-08-03 (T+213.8d) Image below (2019-08-03.06) was taken 213.8 days after SN 2019B discovery SN has faded and is no longer visible

Annotated Negative CCD Image (100% size, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2019-08-03 01:25 UT (#678195-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 118 & PGC 212483 with SN 2019B - Earlier Image, 2019-01-02 (T+1.7d) Image (2019-01-02.972) was taken 1.7 days after SN 2019B discovery

Annotated Negative CCD Image (100% size, cropped) 4 x 180 sec exposure (average combine), 3x3 binning, C Filter 2019-01-02 23:20 UT (#647239-43) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2019B (UGC 118 & PGC 212483) on Supernovae 2019 Page >>

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