David's Astronomy Pages CCD Images - Session 786 (2020-05-29)

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Images (S787)

Objects	Session Notes
GRB 200529A - GRB (Swift 974942)     M61 - Spiral Galaxy with Type II Supernova 2020jfo     NGC 3643 - Spiral Galaxy with Type Ia Supernova 2020hvf     UGCA 309 - Spiral Galaxy (PGC 44121)     Variable Stars (photometric monitoring) - R CrB, TBA     Nearby Stars (astrometric monitoring) - Barnards Star	- All Night Session (2.9 hours total).  - Main aims of the session was to test new version of AstroMain (3.22.3) and acquire useful images if possible.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: Falling to 6°C (min) by dawn - CCD Temperature:  -15°C  (71% av. power) - Notes from 2020-05-29 >>

GRB 200529A - GRB (Swift 974942)

GRB 200529A (Libra) Swift Trigger 974942 (T0 at 2020-05-29 00:56:35 UT) Image of GRB Location taken 23.34 hours after GRB Trigger. Limiting magnitude ~18.4 , T-Exp 540s, C Filter

CCD Image (70% size, linear scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2020-05-30 00:17 UT (#786055-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ more details on Observatory Reaction to GCN Alert, GRB Swift 974942 (GRB 200529A)  ]

GRB 200529A - Analysis (T0+23.34 hours)  Image of GRB Location taken 23.34 hours after GRB Trigger Limiting magnitude ~18.4 , T-Exp 540s, C Filter   No indication of optical afterglow at the location reported by NOT/KAIT/Swift-XRT, marked by blue cross-hair

Annotated CCD Image (100% size, linear scale, cropped) Image details as above

GRB 200529A - Earlier Image (2020-05-29, T0+21mins) Image of GRB Location taken 21 minutes after GRB burst. Limiting magnitude ~17.2, T-Exp 720s, C Filter No indication of optical afterglow at the location reported by NOT/KAIT/Swift-XRT (marked by blue cross-hair)

CCD Image (70% size, linear scale, with corrective flattening) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-05-29 01:18 UT (#785090-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

GRB 200529A Location - Earlier Image (2020-05-29, T0+6mins) Image of GRB Location taken 6 minutes after GRB burst. Limiting magnitude ~16.0, T-Exp 30s, C Filter No indication of early optical afterglow at the location reported by NOT/KAIT/Swift-XRT

CCD Image (70% size, linear scale) 30s exposure (single frame), 3x3 binning, C Filter 2020-05-29 01:02 UT (#785082) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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M61 - Spiral Galaxy with Type II Supernova 2020jfo

M61 with SN2020jfo  (Virgo) SN2020jfo (Type II) discovered 2020/05/06.203 by Zwicky Transient Facility (ZTF))  (Rochester Supernova site | Nico Montigiani and Massimiliano Mannucci image | SN 2020jfo images sub page |

M61 with SN2020jfo - 2020-05-29 Image below (2020-05-29.976) was taken 23.8 days after discovery of SN 2020jfo SN is shown by white cross hairs.  Measured SN magnitude +14.6

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-05-29 23:26 UT (#786030-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020jfo (M61) on Supernovae 2020 Page >>

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NGC 3643 - Spiral Galaxy with Type Ia Supernova 2020hvf

NGC 3643 with SN 2020hvf (Leo) SN 2020hvf (Type 1a) discovered 2020/04/21.380 by ATLAS  (Rochester Supernova site | Marc Deldman image | Robin Leadbetter image + spectra )

NGC 3643 with SN 2020hvf - 2020-05-29 (T+38.6d) Image below (2020-05-29.963) was taken 38.6 days after discovery of SN 2020hvf SN is shown by white cross hairs.  Measured SN magnitude +13.2

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-05-29 23:06 UT (#786023-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020hvf (NGC 3643) on Supernovae 2020 Page >>

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UGCA 309 - Spiral Galaxy (PGC 44121)

UGCA 309 (Canes Venatici) Alias : PGC 44121 Image shows poor S/N due to bright sky (Target to be rescheduled)

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-05-29 23:50 UT (#786039-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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