Target guide · elliptical galaxy

M85 with a smart telescope

M85 is a elliptical galaxy about 7 arcminutes (0.12°) across, magnitude 9.2. It is highest around midnight in March, best placed for the northern hemisphere, and works from a suburb; a darker site gives a much cleaner result. Of the 12 smart telescopes we track, Odyssey, Odyssey Pro frame it best.

Key facts

CatalogueM85
Typeelliptical galaxy
Apparent size7′ × 5′
Magnitude9.2
Position (J2000)RA 12.42 h, Dec 18.2°
Highest at midnightMarch (±2 weeks)
Sky neededSuburban sky surface brightness 21.7 mag/arcsec²

In the best-matching frame

M85 · 7′ × 5′
M85 (blue) inside the native frame of Odyssey (0.75° × 0.56°).

Imaging tips

Galaxies shine in broad starlight, so light-pollution filters help little. What helps most is a darker site and a long total exposure: plan on one to three hours of stacking for the faint outer parts. M85 is a reasonable target from the suburbs.

Which smart telescope frames it best

TelescopeField of viewFit
Unistellar Odyssey0.75° × 0.56°fits well
Unistellar Odyssey Pro0.75° × 0.56°fits well
ZWO Seestar S501.29° × 0.73°small in the frame
Celestron Origin Mark II1.32° × 0.75°small in the frame
DWARFLAB DWARF mini2.13° × 1.2°small in the frame
ZWO Seestar S302.14° × 1.21°small in the frame
ZWO Seestar S50 Pro2.45° × 1.38°small in the frame
Vaonis Vespera II2.5° × 1.4°small in the frame
Vaonis Vespera 32.5° × 1.4°small in the frame
Vaonis Vespera Pro 21.6° × 1.6°small in the frame
DWARFLAB DWARF 32.93° × 1.65°small in the frame
ZWO Seestar S30 Pro3.99° × 2.24°small in the frame

How high it gets from where you live

Highest altitude above a flat horizon. Below about 20° the image suffers from haze and light pollution; trees and roofs often block it completely.

LatitudeHighest altitude
Oslo, 60° N48°
Amsterdam, 52° N56°
Madrid, 40° N68°
Miami, 26° N82°
Equator72°
Sydney, 34° S38°
See if it clears your own horizon tonight

Nearby in the sky

Objects close to M85 in the sky, so you can image them in the same session.

Questions and answers

Can I photograph M85 from a city?
It is possible: it works from a suburb; a darker site gives a much cleaner result.
Which smart telescope is best for M85?
Odyssey, Odyssey Pro frame it best in a single frame, based on its size and each telescope's field of view.
When is the best time to photograph M85?
It is highest around midnight in March and best placed for the northern hemisphere. From 52° north it climbs to about 56° at most.

Object data: Messier catalogue via d3-celestial (BSD-3). Altitudes and dates are calculated, not observed.