David's Astronomy Pages Images - Session 1229 (2024-08-16)

Images (S1228)

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Images (S1230)

Objects	Session Notes
C/2023 V4 (Camarasa-Duszanowicz) - Comet     Cas A - Supernova Remnant CTB1 - Supernova Remnant (Abell 85, LBN 576)  (Attempt) IC 2190 - Spiral Galaxy with Type Ia Supernova 2024dhp M31 - Spiral Galaxy with Type EGN Transient AT 2023mxi         Variable Stars (photometric monitoring) - BL Lac, GK Per          Nearby Stars (astrometric monitoring) - None	- Attempted All-night Session (2.8hrs), ended early due to cloud     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 12°C - CCD Temperature:   -10° C - Notes from 2024-08-16 >>     -

Observing Result

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C/2023 V4 (Camarasa-Duszanowicz) - Comet

C/2023 V4 (Camarasa-Duszanowicz) - 2024-08-16 (passing through Canes Venatici) Sun Distance 1.66 AU (receeding) Earth Distance 2.13 AU (318.5 million km)		C/2023 V4 (Camarasa-Duszanowicz) - 2024-08-16 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 112.84 arcsec/hr, Dec -95.18 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-08-16 22:34 UT (#1229006-07) 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) 7 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-08-16 22:39 UT (#1229006-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2023 V4 (Camarasa-Duszanowicz) on Comets 2024 Page >>

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Cas A - Supernova Remnant

Cas A (Cassiopeia) [ Supernova Remnants ]

Annotated CCD Image (70% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-16 23:02 UT (#1229018-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

Cas A - Detail (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped) 9 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-16 23:19 UT (#1229018-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

Cas A - Detail (OptoLong L-eNhance Dual Band Filter)

Annotated CCD Image (125% size, square root scale, cropped) taken through OptoLong L-eNhance dual-band filter 5 x 300s exposure (average combine), 3x3 binning, DB Filter 2024-08-16 23:43 UT (#1229024-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

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CTB1 - Supernova Remnant (Abell 85, LBN 576) - Attempt

CTB1 (Cassiopeia) Alias: Abell 85, LBN 576, SNR G116.9+00.1 [ Supernova Remnants ]

Annotated CCD Image (70% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-17 00:38 UT (#1229052-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

CTB1 - Reference Image FOV of image(s) above are indicated on the reference image by white rectangle and show that brightest parts of the SNR hav been missed and demonstrate need for either a future or for selectively located images

Reference Image taken at Curdridge Observatory, Southampton, UK Mosaic with total exposure time c. 20 hrs acquired over 6 nights using Astrodon 3nm Ha Filter Credit: Tom How http://astro.neutral.org/imagehtml/20130901-ctb1.html

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IC 2190 - Spiral Galaxy with Type Ia Supernova 2024dhp

IC 2190 with SN 2024dhp (Auriga) SN 2024dhp (Type: Ia) discovered 2024-02-28.291 UT by ZTF Alias: ZTF24aagirej Discovery Magnitude 18.33 (r-ZTF Filter) vs Prior Non-Detection Limiting Mag 16.0 (g-ZTF Filter)  ( TNS 2024dhp )

IC 2190 with SN 2024dhp - 2024-08-17 (T+170.7d) Image below (2024-08-17.040) was taken 170.7 days after discovery of 2024dhp Position of reported SN (not distinguishable) is indicated by white cross-hairs. Poor quality image (lowish altitude 21°, poor sky transparency, poor S/N)

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-17 01:03 UT (#1229063-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 2190 with SN 2024dhp - Earlier Image, 2024-03-04 (T+5.6d) Image below (2024-03-04.933) was taken 5.6 days after discovery of 2024dhp Position of reported SN (faint) is indicated by white cross-hairs. Measured Magnitude +16.38 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-03-04 22:29 UT (#1196077-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024dhp (in IC 2190) on Supernova 2024 Page >>

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M31 - Spiral Galaxy with Type EGN Transient AT 2023mxi

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