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Realm of galaxies

Subject: M31, Andromeda

Author: Maurizio Cabibbo and Francesco Di Biase

Scope: Takahashi TOA 130 mm refractor on Losmandy G11 mount

Guiding : CCD Orion StartShoot Autoguider on Orion ST80 f/5

CCD: SBIG STL-11000

Exposure: 14.7 hrs, LRGB+Hα stacking: RGB=7x15min, L=18x20min, Hα=7x30 min

Image processing: Yes

Location: Casole d'Elsa, Italy

Date: 2014

Subject: M31, Andromeda

Author: Chris Cook

Scope: Tele Vue 85 mm f/7.8 refractor on Losmandy G11 mount

Film: Kodak PPF 400 hypered

Exposure: Stacking of three images, 55 minutes each

Image processing: Adobe Photoshop 4.0

Location: Mt.Pinos, California

Date: 20 Aug 1998

Subject: M31, Andromeda

Author: Bram Goossens

Optics: Samyang 135 mm f/2.8 in piggyback on T.250 mm

Exposure: 10 hrs, RGB : 200 min each

CCD: ZWO ASI 1600MM

Image processing: Yes

Location: Belgium

Date: Sept-Oct. 2016

Subject: M31, Andromeda

Author: Termhn

Optics: DSLR Canon 7D with 70-200 mm f/2.8L lens

Guiding: Celestron 4SE mount (without optics)

Exposure: 4.1 min., stacking of 25 color images exposed 10 s each at 3200 ISO + 7 darks

Image processing: Yes

Date: 2014

Subject: M33, Triangulum

Author: Jason Ware

Scope: Meade RCX 12" ACF 400, 300 mm f/8

Guiding : Meade DSI controled by MaxIM DL

CCD: Apogee U9, 6303E

Exposure: Optec LRGB filters: 120+100+100+100 mn + Astrodon Hα 6 nm:100 mn

Image processing: MaxIm DL, Photoshop

Location: SE Oklahoma, USA

Date: 2009

Subject: M33, Triangulum

Author: Jason Lewis

Scope: Meade SCT 12" LX200, 300 mm f/10 on equatorial wedge

Location: USA

Date: 1999

Subject: M51, Canes Venatici

Author: Allen

Scope: Meade SCT 16" LX200, 400 mm f/10, NOAO

CCD: SBIG with CFW colors filters wheel

Exposure: LRGB stacking

Image processing: Yes

Date: 11 Feb 2000

Subject: M51, Canes Venatici

Author: Roland Christen

Scope: Astro-Phycics Maksutov-Cassegrain 10" (250 mm) f/14.6

CCD: SBIG ST-10e with CFW color filter wheel

Exposure: 26.5 hrs,  51 R,G,B x 10 minutes each + 3 Luminance x 20 minutes each

Image processing: Yes

Date: ~2005

Subject: M65, M66, NGC 3628, Leo

Author: Ray Gralak

Scope: Astro-Physics 128 mm f/8 FS refractor on AP1200 mount

CCD: SBIG ST-8E

Exposure: LRGB stacking

Location: California, USA

Date: 7 April 2000

Subject: M81, M82, Ursa Major

Author: Akira Fujii

Scope: 310 mm (12.2") f/5 reflector

Film: Fujichrome R-100

Exposure: 1 hr with Cold camera

Location: Japan

Date: 1982

Subject: M81, M82, Ursa Major

Author: Robert Gendler

Scope: Richtey-Chrétien 12.5", 317 mm f/9 on AP1200 mount

CCD: SBIG SBIG ST-10 XME

Exposure: LRGB stacking

Image processing: Yes

Location: Connecticut, USA

Date: 2001

Subjet: M81, Ursa Major

Author: Paddy Gilliland

Optics: AP RH 305, RCOS 14.5", 360 mm in diameter on Paramount-ME mount

Accessories: Astrodon filters L, R, G, B, Hα + FLI Atlas focuser

CCD: SBIG STX KAF-16803 + FLI Microline 8300

Exposure: 55.4 hrs, LRGB stacking: 25x B, 24x G, 22x R, 142x L, 29x Hα

Image processing: Pixinsight 1.8

Location: United Kingdom

Date: 19 Jan, 1 Feb, 2 Feb and 19 March 2017

The small blue patch is the irregular galaxy Holmberg IX (mag 16.5).

Subject: M81, Ursa Major

Author: Evangelos Souglakos

Scope: Vixen VC200L, 200 mm f/9 on HEQ5 Pro mount

Guiding: TS-OAG9 Starshoot Autoguider

CCD: ATIK 310L monochrom

Exposure: 10.5 hrs, LRGB+Hα stacking of 10 hrs + 3 sub-exposures for a total of 30 min

Image processing: Yes

Location: Greece

Date: 2011

Subject: M81, Ursa Major

AuthorJim Misti

Scope: Optical Guidance Systems, Ritchey-Chrétien 32", 800 mm f/7.2

Guiding : SBIG STV Autoguider

CCD: SBIG STL-11000

Exposure: 1h45m, LRGB stacking: 4x 5min. under each R,G,B filter + L=9x5 min.

Image processing: CCDSoft, CCSSharp, MaxIM DL, Photoshop CS

Location: Misti Mountain Observatory near Kingman, AZ., USA

Date: 1 February 2005

Subject: M82, Ursa Major

Author: Terry Platt

Exposure: 3 minutes

CCD: Astrovid Starlight Xpress MX5c (color)

Date: 2000

Subject: M83, Hydra

Author: Steven Juchnowski

Scope: Celestron SCT C11, 280 mm f/10

Accessory: Focal reducer .63x

CCD: SBIG ST-8E, binning 2x2

Exposure: 8x LRGB stacking, L=UV=10m, R=10m, G=10m, B=15m

Image processing: AIP for Windows, Quantum Image, PhotoImpact

Location: Balliang, East Australia

Date: 16 June 2004

Subject: M101, Ursa Major

Author: Ron Brecher

Scope: ASA astrograph 10", 250 mm f/6.8 on Paramount MX mount

Accessories: Baader Hα, L, R, G, B filters, STL-11000 remote guider and 80 mm f/6 Stellar-Vue refractor

Guiding: STL-11000 remote head and 80 mm f/6 Stellar-Vue refractor

CCD: SBIG STL-11000M

Exposure: 41h20m, Hα-LRGB stacking, R,G,B=8x15m, L=116x15m

Image processing: Maxim-DL, Pixinsight

Location: Guelph, Ontario, Canada

Date: 15 nights in 2014

Subject: M106, Canes Venatici

Author: Autry

Scope: Meade SCT 16" LX200, 400 mm f/10, NOAO

CCD: SBIG with colors filters wheel

Exposure: LRGB stacking

Image processing: Yes

Location: USA

Subject: NGC 891, Sculptor

Author: Stegina

Scope: Meade SCT 16" LX200, 400 mm f/10, NOAO

CCD: SBIG with color filters wheel

Exposure: LRGB stacking

Image processing: Yes

Location: USA

Date: 14 Nov 1999

Subject: NGC 3628, Leo

Author: Hickox

Scope: Meade SCT 16" LX200, 400 mm f/10, NOAO

CCD: SBIG with colors filters wheel

Exposure: LRGB stacking

Image processing: Yes

Location: USA

Date: 9 Jan 2000

Subject: NGC 6966, Aquarius

Author: Tony and Daphne Hallas

Scope: Cassegrain 368 mm (14.5") f/8

Film: Kodak PJ400 hypered

Image processing: Yes

Location: USA

Date: 1999

Subject: Fornax cluster with SBb galaxy NGC 1365 (in blu)

Author: Paul Haese

Optics: Takahashi refractor FSQ 106ED

Accessories: Auto-guiding system QSI OAG

CCD: QSI 683-8 cooled at -25°C and SBIG ST-i

Exposure: 13.3 hrs, LRGB stacking

Image processing: Photoshop CS6

Location: Clayton Bay, Australia

Date: 2013

Subject: Virgo cluster centered on "Markarian's chain" (M84, M86, M87, etc)

Author: Members of Capella Obs.

Scope: Tel. FFC Lichtenknecker 300 mm (12") f/3.2

Accessory: LRGB filters

CCD: SBIG STL-11000M

Exposure: 7h45 min, LRGB stacking : L=10x15min, R=5x15min, G,B=8x15min, Bin.1x1

Location: Skinaka Observatory, Crete

Date: 2012

Subject: Virgo cluster centered on "Markarian's chain" (M84, M86)

Author: Russell Sipe

Scope: S-C Celestron C14 EdgeHD, 350 mm f/10

Accessory: Hyperstar f/1.9

CCD: CCD QSI583 avec chip KAF-8300

Exposure: 20 minutes, stacking of 10 LRGB

Location: California, close to Mt Palomar

Date: 2012

Cf. the annotated version (114 galaxies identified up to Mv. 18).

Subject: Virgo cluster centered on "Markarian's chain" (M84, M86)

Author: Akira Fujii

Scope: 310 mm f/5 reflector

Accessory : Cold Camera

Exposure: 1 hour

Film: Fujichrome R-100

Location: Japan

Date: 1982

Subject: Antlia cluster (Abell S0636), in Hydra-Centaur supercluster

Author: Rolf Olsen

Scope: Newtonian 317 mm (10.5") f/4

Accessory: Cooling system to -25°C/-32°C

CCD: QSI683WSG-8

Exposure: 152 hours spread over 55 nights

Location: Auckland, New Zealand

Date: 2015

The limit magnitude is +25, the field of view is 47'x35'.

Subject: Stephan Quintet, NGC 7317, Pegasus

Author: NOAO

Scope: S-C Meade 16" LX200, 400 mm f/10, NOAO

CCD: SBIG with filter wheel

Exposure: LRGB stacking

Image processing: Yes

Location: USA

Date: 1999

Subject: NGC 7331, Pegasus

Author: Paddy Gilliland

Optics: AP RH 305, RCOS 14.5", 360 mm in diameter on Paramount-ME mount

Accessories: Astrodon filters L, R, G, B, Hα

CCD: SBIG STX KAF-16803

Exposure: 17.01 hrs, LRGB stacking of 230 images

Image processing: Pixinsight 1.8

Location: United Kingdom

Date: 25 Sept, 22 Oct, 30 Oct and 4 Nov 2016

Picture awared "Image of the week, December 30, 2016" by "Photographing Space".

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