Autore dello sfondo:
Jared Greer
16 Jun 2025
Whirlpool Galaxy and Companion Galaxy NGC 5195
Interacting galaxy pair found in Canes Venatici. Imaged with HLRGB filters.
software: astro pixel processor, pixinsight, rc-astro, and photoshop.
Some notable techniques used: continuum subtraction (ha), narrowband colour mapper (ha), Image Blend x2 (once for ha and once for the luminance), HDRMT (luminance), range masking, LHE, unsharp mask, camera raw, stars rescreened in PS.
Dataset da cui è stata elaborata l'immagine
M51
9 credit
- Tipo di obiettivo............................................................................................................................Galaxy
- Fotocamera............................................................................................................................QHY 600M
- Coordinate dell'obiettivo............................................................................................................................RA 202.4696 Dec 47.1953
- Emisfero............................................................................................................................Northern
- Posizione del telescopio............................................................................................................................Spain
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................26 Mar 2023 - 17 Jul 2023
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 88 | 1h56m | 79 |
| Red | 158 | 3h28m | 79 |
| Green | 150 | 3h18m | 79 |
| Blue | 122 | 2h40m | 79 |
| Halpha | 82 | 1h46m | 78 |