David's Astronomy Pages Images - Session 1215 (2024-05-03)

Images (S1214)

Images Main

Home Page

Images (S1216)

Objects	Session Notes
Nova Cas 2021 - Nova (V1405 Cas)     NGC 6106 - Spiral Galaxy with Type Ib Supernova 2024ahv         Variable Stars (photometric monitoring) - BL Lac      Nearby Stars (astrometric monitoring) - HH And, Barnards Star, Groombridge 34	- Attempted All-Night Session (1.3 hrs), start was delayed due to cloud.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 6.5°C (min) - CCD Temperature:   -15°C - Notes from 2024-05-03 >>     -

Observing Result

Back to Top

Nova Cas 2021 - Nova (V1405 Cas)

Nova Cas 2021 (Cassiopeia) Nova in Cassiopeia discovered 2021-03-18.4236,  by Yuji Nakamura (Japan) Magnitude at discovery +9.6 (unfiltered CCD) AT2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT2021hkn, V1405 Cas ( TNS 2021hkn | Gaia21bpe )

Nova Cas 2021 (Nova) - 2024-05-04 (T+1142.6d) Image below (2024-05-04.057) was taken 1142.6 days after discovery of nova Nova is shown by white cross hairs.  Measured magnitude +12.10 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 45s exposure (average combine), 3x3 binning, Clear Filter 2024-05-04 01:24 UT (#1215012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Cas 2021 on Novae Page >>

Back to Top

NGC 6106 - Spiral Galaxy with Type Ib Supernova 2024ahv

NGC 6106 with SN 2024ahv (Hercules) SN 2024ahv (Type: Ib) discovered 2024-01-16.852 UT by Hidehiko Okoshi Alias: PS24vc, ATLAS24baw Discovery magnitude 16.2 (Clear Filter)  ( TNS 2024ahv)

NGC 6106 with SN 2024ahv - 2024-05-04 (T+108.2d) Image below (2024-05-04.076) was taken 108.2 days after discovery of 2024ahv Position of reported transient (faint) is shown by white cross-hairs Estimated Magnitude +16.3 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-05-04 01:55 UT (#1215039-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024ahv (in NGC 6106) on Supernova 2024 Page >>

Back to Top