David's Astronomy Pages Images - Session 1419 (2026-04-11)

Images (S1418)

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Image (S1420)

Objects	Session Notes
240P/NEAT - Comet   C/2022 N2 (PANSTARRS) - Comet   AT 2026iul - CV Type Transient   PCG 0904+4523 - Compact Galaxy Group   SHK 95 - Faint Galaxy Group   UGC 11058 - Spiral Galaxy with Type Ia Supernova 2026ewd   - IC 4556 attempt failed (due to cloud)   Variable Stars (photometric monitoring) - T CrB   Nearby Stars (astrometric monitoring) - DX Cnc (Gliese 1111)	- Late Night Session (3.3 hr) ended early by cloud & rain - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 6°C (min) - CCD Temperature:  -20°C - Notes from 2026-04-11 >> - -

Observing Result

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240P/NEAT  - Comet

240P/NEAT - 2026-04-11 (passing through Auriga) Sun Distance 2.30 AU Earth Distance 2.60 AU (388.3 million km)		240P/NEAT - 2026-04-11 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 65.9 arcsec/hr, Dec 12.6 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2026-04-11 22:16 UT (#1419018) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (125% size, square root scale, cropped) Image details as above
Images of Comet_240P_NEAT on Comets 2026 Page  >>

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C/2022 N2 (PANSTARRS)  - Comet

C/2022 N2 (PANSTARRS) - 2026-04-11 (passing through Taurus) Sun Distance 4.42 AU Earth Distance 5.04 AU (753.8 million km)		C/2022 N2 (PANSTARRS) - 2026-04-11 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 38.8 arcsec/hr, Dec 4.2 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 22:24 UT (#1419021-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (125% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 22:26 UT (#1419021-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C2022_N2_PANSTARRS on Comets 2026 Page  >>

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AT 2026iul  - CV Type Transient

AT 2026iul (Cygnus) AT 2026iul (Type: CV) discovered 2026-04-07.397 UT by GEOTS Alias: GEOTS-PAPA-SHANKAR-2026-003 Discovery Magnitude 15.7 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude 18 (Clear- Filter) Discovered in Cyg using 14" f/2.0 Astrograph at Golden Ears Observatory (MPC code U55). Group reports a significant brightening of the Gaia DR3 variable star 2033708559892804224 (VSX). Recent observations show an increase in magnitude of >2.3 when compared to the last recorded observation from Golden Ears Observatory on 02 March 2026. ( TNS 2026iul )

AT 2026iul - 2026-04-11 (T+4.6d) Image below (2026-04-11.997) was taken 4.6 days after discovery of 2026iul Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.0 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 23:56 UT (#1419068-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2026iul on Transients 2026 Page  >>

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PCG 0904+4523  - Compact Galaxy Group

PCG 0904+4523 (Lynx) Palomar Compact Galaxy Catalogue, radius 31 arcsec, mag 16.3 [ PCG Groups ]

PCG 0904+4523 - Compact Galaxy Group

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 23:14 UT (#1419054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PCG 0904+4523 (Lynx)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 23:14 UT (#1419054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Annotated CCD Image (150% size, square root scale, cropped) Image details as above

Annotated negative CCD Image (150% size, square root scale, cropped) Image details as above

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SHK 95  - Faint Galaxy Group

SHK 95 (Lynx) Shakhbazian Group. Mag 16.5, Size 1.1' [ Shakhbazian Groups ]

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 22:43 UT (#1419030-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SHK 95 - Detail

Annotated CCD Image (125% size, square root scale, cropped) Image details as above

Annotated negative CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 22:43 UT (#1419030-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 11058  - Spiral Galaxy with Type Ia Supernova 2026ewd

UGC 11058 with SN 2026ewd (Hercules) SN 2026ewd (Type: Ia) discovered 2026-03-05.583 UT by ATLAS Alias: ATLAS26cph, GOTO26bqj, ZTF26aajugdc Discovery Magnitude 17.346 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 19.52 (cyan-ATLAS Filter) ( TNS 2026ewd )

UGC 11058 with SN 2026ewd - 2026-04-11 (T+37.4d) Image below (2026-04-11.981) was taken 37.4 days after discovery of 2026ewd Position of earlier supernova (faint) is shown by white cross-hairs Measured Magnitude +15.77 (Clear Filter) Poor quality image (due to wind shake)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-04-11 23:40 UT (#1419061-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2026ewd (in UGC 11058) on Supernovae 2026 Page  >>

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