David's Astronomy Pages CCD Images - Session 996 (2022-03-26)

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Images (S997)

Objects	Session Notes
C/2019 L3 (ATLAS) - Comet     NGC 2922 - Irregular Galaxy with Type Ic Supernova 2022bdu NGC 3115 - Lenticular Galaxy with Transient AT2022eyx       - UGC 5560 and 110P/Hartley attempts failed due to guiding issue (PHD2 exception)     Variable Stars (photometric monitoring) - None      Nearby Stars (astrometric monitoring) - None	- All night session 7.2 hours Session cut slightly short by cloud just before dawn     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 3°C (min) - CCD Temperature:  -20°C - Notes from 2022-03-26 >>    [ Local Files >> ]

C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS) (passing through Gemini) Sun Distance 3.62 AU (receeding) Earth Distance 3.42 AU (511.3 million km)		C/2019 L3 (ATLAS) - 2022-03-26, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 16.81 arcsec/hr, Dec -21.12 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-26 21:45 UT (#996010-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-26 21:48 UT (#996010-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2019 L3 (ATLAS) on Comets 2022 Page >>

C/2019 L3 (ATLAS) - False Colour Image Inverse Spectrum

C/2019 L3 (ATLAS)  -  2022-03-26

False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-26 21:48 UT (#996010-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 2922 - Irregular Galaxy with Type Ic Supernova 2022bdu

NGC 2922 with SN2022bdu (Leo Minor) SN 2022bdu (Type: Ic) discovered 2022-02-02.477 UT by ATLAS Alias: ATLAS22eik  ( Rochester Supernova site | TNS 2022bdu )  [ Irregular Galaxies ]

NGC 2922 with SN2022bdu - 2022-03-26 (T+52.5d) Image below (2022-03-26.992) was taken 52.5 days after discovery of 2022bdu Position of SN (not distinct/not visible) is shown by white cross-hairs Very poor quality image (poor sky transparency / single frame

Annotated CCD Image  (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2022-03-26 23:52 UT (#996054) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022bdu (NGC 2922) on Supernovae 2022 Page >>

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NGC 3115 - Lenticular Galaxy with Transient AT2022eyx

NGC 3115 with AT2022eyx (Sextans) AT2022eyx (Type: unk) discovered 2022-03-21.141 UT by Patrick Stonehouse ( Rochester Supernova site | TNS 2022eyx  )

NGC 3115 with AT2022eyx (T+5.8d) NGC 3115 - Lenticular Galaxy Alias : UGCA 199, H I-163, Caldwell 53, "Spindle Galaxy"  [ UGCA Galaxies ] [ Herschel 400 Objects ] [ Caldwell Objects ] Note: The position of the transient shown in pictures below is based on the Discovery Image  provided by Pat Stonehouse. (The J2000 coords shown in 2022eyx in the TNS discovery certificate were unfortunately incorrectly reported)

Annotated CCD Image (50% size, log scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-26 23:35 UT (#996047-49) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3115 with AT2022eyx - 2022-03-26 (T+5.8d) Image below (2022-03-26.978) was taken 5.8 days after discovery of 2022eyx Position of transient (very faint) is shown by white cross-hairs

Annotated CCD Image (50% size, log scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-26 23:35 UT (#996047-49) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Uncropped Image ]

Annotated CCD Image (175% size, log scale, unsharp masked, cropped) Image details as above

NGC 3115 / UGCA 199 - Earlier Image  (2022-01-29, Pre-Transient) Alias:  Caldwell 53, UGCA 199, "Spindle Galaxy" Note: Image crossed by several parallel tracking satelltites during exposures

CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-29 00:32 UT (#961055-59) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CCD Image (50% size, square root scale) Image details as above

Images of 2022eyx (NGC 3115) on Transients 2022 Page >>

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