All Images Copyright Rod Gallagher                                      Click on image to see full size

M90 -- Spiral Galaxy

Object

Type

Intermediate Spiral Galaxy

Constellation

Virgo

Distance

58.7M light years

Magnitude

9.5

Size

9.5x4.4 arc-min

Notes

IC 3583 is the Irregular Galaxy next to M90

NGC 4584 is the Spiral Galaxy to the upper left of M90

NGC 4531 is the spiral galaxy to the lower right of M90

Image

Date

2021-07-12

Place

Cheddar Ranch Observatory

Exposure Data

LRGB 65:60:60:60 mins @ -15C

C 13x5, R 12x5, G 12x5, B 12x5

Notes

RGB filters binned 2x2

Equipment

Optics

Takahashi TOA-150

Focal Length

1100 mm @f/7.3

Mount

Paramount ME

Camera

SBIG STL-6303E

Focuser

RoboFocus

Filters

CFW-10, AstroDon LRGB

Software

TheSkyX, CCDSoft, CCDAutopilot5, CCDStack 2+, PixInsight, PhotoShop CS6

Reprocessed on 07/05/2023