M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

... Non-Existent Non-Existent Open Cl 8.0 cluster? ... Glxy SA(s)c: Non-Existent Non-Existent Non-Existent Glxy (R')SB(rs)0/a 13.5 UGC A132 IRAS 7225-933 PGC 20948 Tripple Star Tripple Star NGC 2494 UGC 4141 MCG 0-21-1 CGCG 3-2 IRAS 7565-30 PGC 22377 14.1 IC 487 PGC 22377 UGC 4141 MCG 0-21-1 CGCG 3-2 IRAS 7565-30 Sub Total: Observed: Yes Object IC IC NGC NGC NGC NGC NGC NGC 446 2172 2170 2182 2183 2185 2215 2232 H19-4 H38-4 H20-4 H20-7 H25-8 Her Type ...

... Tonight's Sky . ... Observing . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... The 109 objects in a March globular cluster marathon . ... In the March 2014 issue of Astronomy, I challenged readers with the question, How many globular clusters can you see in might night? Taking the Messier marathon as inspiration, I made a list of 109 globular clusters to track down in a single night in March. ... Get instant access to subscriber content on Astronomy.com! ...

ESO PR Photo 18b/00 . ... Caption : Images of two of the novae in NGC 1316 that were discovered during the observational programme described in this Press Release. ... In particular, no less than four novae were detected in a single giant galaxy within only 11 days . ... Moreover, the discovery of four novae in one galaxy in the Fornax cluster was possible with only 3 hours of observing time per filter. ... ESO Press Information is available on the WWW at . http://www.eso.org/outreach/press-rel/ . ...

... The algorithm has been successfully applied to both real and simulated astronomical data (Jefferies , 1993; Jefferies 1993) and its ability to accurately preserve photometry in the observed image has been demonstrated. ... In order to investigate the algorithm's performance without the influence of detector and photon noise we took the ``truth'' data set and convolved it with the given PSF to generate a noiseless image. ... The restored object and the two restored PSF's are shown in Fig. ...

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

... About ATMoB . ... The Observing Committee is starting an Observing Awards Program to promote observing among the membership of the Amateur Telescope Makers of Boston. ... Participant must be a current member of the Amateur Telescope Makers of Boston . ... To qualify for your Observing Award Certificate, turn in your worksheet and drawings to an ATMoB Observing Committee member or observing@atmob.org . ... This Excel sheet has useful macros. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... The new emission line galaxies are listed in Table 2 containing the following information: . column 1: The object's IAU-type name with the prefix HS. ... This was not corrected in the figure shown in Appendix A. HS1214+3801 : This is seemingly a supergiant H II -region at the very rim of the nearby edge-on disc galaxy (SA(s)cd) NGC 4244 (V hel = 224 kms -1 and B T =10.88). ... To check this option one needs a detailed map of the NGC 4244 velocity field including HS 1214+3801. ...

... April 5, 1996 . The Perseus Cluster of Galaxies . ... Each of the fuzzy blobs in the above picture is a galaxy , together making up the Perseus Cluster, one of the closest clusters of galaxies . We view the cluster through the foreground of faint stars in our own Milky Way galaxy . ... Latest Comet Hyakutake images: APOD Hyakutake Archive , JPL , Fayetteville Observer-Times , NASA's Night of the Comet , ICSTARS , Jerry Lodriguss , ScienceWeb , Crni Vrh Obs. ... Archive | ... About APOD | ...

... Since the reddening found for the stars in Table 13 was small, no reddening correction was attempted. ... These diamonds indicate the positions of very low mass, 3 Myr old, objects from the work of Burrows et al. ... This optical V versus R - I scheme is a very powerful method of detecting very low mass (VLM) objects. ... Because of this, young brown dwarfs are intrinsically no more difficult to observe in the optical than low mass stars at the age of Orionis. ...