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Home > Classifieds > Astromart Classifieds > Observatories > Classified #216623

For Sale: ATWB Picture of the Day

Ad No.: 216623
Seller: Anacortes Telescope
Posted: 9/16/2003 5:43 AM
Location: 9973 Padilla Heights Road
Anacortes, WA - United States
Phone: 800-850-2001
Ad Hits: 338
Title: TWIN QUASAR & Co.
Submitted On: 8/14/2003
Photographer: Dr. Paolo Candy
Equipment Used: Optec (CCD Photographic Accessories) IFW Filter Wheel - Automatic 2” Filter Selector System
Cyanogen (CCD Software) Maxim/DL CCD 3.0


"Lensed Quasar"

(Confirmation of Einstein's Gravitational Lensing in 1979)

QSO 0957+0561A/B (3 lines in photo)

In the same field

Galaxy: NGC 3079 (down left)

Galaxy: NGC 3073 (down right)

Galaxy: MCG+9-17-9 (center right)

RA: 10h01m20.8s, Dec: +55°53'54" (2000) in Ursa Major
Magnitude: 17.1 + 17.4 (somewhat variable)
Separation: 6"

Distance: 8.5 billion l.y.

The lensing is done by a cluster of galaxies, which lie 3.5 billion l.y. away.

By Paolo Candy
Director of
Cimini Astronomical Observatory
& Planetarium
Soriano nel Cimino - Italy

Marcon Ritchey-Chretien 500/4000 f/8
reduced at f/6
CCD with Kodak Kaf 1001E
Guided with an ST-7XE + Meade 7" APO

L (sum of 3x180 sec)
RGB (180 sec each)
IFW OPTEC + Filters

MaxIm DL software + Adobe Photoshop


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