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Images - Session 1221 (2024-05-29)
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C/2021 S3 (PANSTARRS) - Comet AT 2024dsj - CV Type Transient IC 3091 - Spiral Galaxy with Type Ia Supernova 2024jdi LEDA 2222714 - Galaxy with Type Ia Supernova 2024iey UGC 11087 - Spiral Galaxy with Type Ia Supernova 2024ixb Variable Stars (photometric monitoring) - AM Her, BL Lac Nearby Stars (astrometric monitoring) - HH And
- All-Night Session (2.4 hrs). Short summer night - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 10°C (min) - CCD Temperature: -15° C - Notes from 2024-05-29 >> -
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| C/2021 S3 (PANSTARRS) - 2024-05-29 (passing through Cygnus) Sun Distance 2.00 AU (receeding) Earth Distance 1.80 AU (268.5 million km) |
C/2021 S3 (PANSTARRS) - 2024-05-29 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -1.19 arcsec/hr, Dec 49.50 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-05-29 23:48 UT (#1221016-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-05-29 23:51 UT (#1221016-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C/2021 S3 (PANSTARRS) on Comets 2024 Page >> |
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| AT 2024dsj (Cassiopeia) AT 2024dsj (Type: CV) discovered 2024-02-28.787 UT by Gaia Alias: Gaia24ath Discovery Magnitude 15.25 (G-Gaia Filter) vs Historic Magnitude 15.03 +/- 0.02 SD Gaia source fades by 0.2 mag TNS discovery report on TNS says Prior Non-Detection Limiting Mag 21.5 (2024-01-25 17:32) but Gaia data for the same date gives mag 15.26) ( TNS 2024dsj | Gaia24ath ) |
| AT 2024dsj - 2024-05-30 (T+91.2d) Image below (2024-05-30.016) was taken 91.2 days after discovery of 2024dsj Position of reported transient (faint, brightening?) is shown by white cross-hairs Measured Magnitude +14.33 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-05-30 00:26 UT (#1221040-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024dsj on Transients 2024 Page >> |
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| IC 3091 with SN 2024jdi (Coma Berenices) SN 2024jdi (Type: Ia) discovered 2024-05-20.237 UT by ATLAS Alias: ZTF24aaonrzo Discovery magnitude 18.45 (r-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 19.63 ( TNS 2024jdi) |
| IC 3091 - Spiral Galaxy |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-05-29 23:30 UT (#1221007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| IC 3091 with SN 2024jdi - 2024-05-29 (T+9.7d) Image below (2024-05-29.972) was taken 9.7 days after discovery of 2024jdi Position of reported transient (faint, but distinct) is shown by white cross-hairs Measured Magnitude +15.95 (Clear Filter) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-05-29 23:30 UT (#1221007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2024jdi (in IC 3091) on Supernova 2024 Page >> |
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| LEDA 2222714 with SN 2024iey (Hercules) SN 2024iey (Type: Ia) discovered 2024-05-06.424 UT by ZTF Alias: ZTF24aamipnt Discovery Magnitude 19.87 (r-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 20.84 ( TNS 2024iey ) |
| LEDA 2222714 with SN 2024iey - 2024-05-30 (T+23.6d) Image below (2024-05-30.025) was taken 23.6 days after discovery of 2024iey Position of reported SN (faint, fading?) is indicated by white cross-hairs. Measured Magnitude +15.66 (Clear Filter) Poor quality image (relatively bright sky background) |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-05-30 00:43 UT (#1221047-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2024iey (in LEDA 2222714) on Supernova 2024 Page >> |
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| UGC 11087 with SN 2024ixb (Hercules) SN 2024ixb (Type: Ia) discovered 2024-05-15.342 UT by ALeRCE Alias: ZTF24aanvvqn Discovery magnitude 20.02 (r-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 20.75 ( TNS 2024ixb) |
| UGC 11087 - Spiral Galaxy |
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| Annotated CCD Image (50% size, square root scale) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-05-30 00:59 UT (#1221054) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 11087 with SN 2024ixb - 2024-05-30 (T+14.7d) Image below (2024-05-30.041) was taken 14.7 days after discovery of 2024ixb Position of reported transient (faint / indistinct) is shown by white cross-hairs Poor quality image (relatively bright sky background, single frame, low S/N) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-05-29 23:30 UT (#1221007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2024ixb (in UGC 11087) on Supernova 2024 Page >> |
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| This Web Page: | Images - Session 1221 (2024-05-29) |
| Last Updated : | 2024-08-04 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
