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iTelescope.Net is the world’s premier network of Internet connected telescopes, allowing members to take astronomical images of the night sky for the purposes of education, scientific research and astrophotography. (more)

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The network has everything from beginner telescopes with single shot colour CCDs to large format CCDs with Ha, SII and OII and LRGB filter sets. Check out the member image gallery – the results speak for themselves.

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With remote astronomy observing plans can be interrupted from time to time, by clouds, wind gusts and even a rare equipment failure.

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Rates vary based on your membership plan and the phase of the moon. Rates start as low as 17 to 100+ points per imaging hour, which is billed per minute of imaging time used; typically one point equals $1. Make sure you are subscribed to our newsletter for special offers. Please visit our pricing page for more information on telescope operating rates. (more)

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iTelescope.Net offers a range of telescope hosting solutions to members with special projects, allowing you to host your own telescope at three of our four observatory locations. Conditions and approvals apply. Contact us for more information.(more)

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Sky Alerts

Dr Ian Musgrave  - iTelescope Science Advisor

An avid amateur astronomer, Ian writes the weekly sky updates for ABC Radio Science and is science adviser to iTelescope. When not staring at the sky he is an equally enthusiastic molecular pharmacologist at the University of Adelaide, Australia.

You can follow Ian Musgrave on his Astroblog for daily posts about astronomy, biology and life, the Universe and everything.

"Over at Astroblog I largely guide people to the view of the sky as seen with the unaided eye. But I’m also an iTelescope.Net user, and I’m very honoured to have been invited to highlight some of the interesting objects that can be seen through the iTelescopes.

While many people are familiar with the larger, more glamorous objects in the night sky that make good iTelescope targets, there are a host of lesser known, interesting objects that are well worth chasing such as fast moving Near Earth Objects, Novae and Comets."  Twitter @ianmusgrave

Entries in variable star (2)

Saturday
May202017

ALERT! URGENT Photometry urgently required for "Tabby's Star" KIC 8462852

Location of Tabby's star, other wise known as Boyajian's Star, KIC 8462852and TYC 3162-665-1 as seen from Mayhill, New Mexico. The 12th magnitude star is in Cygnus, approximately between alpha and delta Cygni. The field of view of Y05 is indicated, click to embiggen.

Photometry is urgently required for "Tabby's Star", (TYC 3162-665-1, KIC 8462852). Originally identified by by Tabetha Boyajian in the Kepler data it is most intriguing because of larger irregular dips in brightness which could not be explained by exoplanets.

The reasons for this are unclear, and everything from disintegrating cometary clouds and alien megastrucures have been proposed. Now the first significant fall in brightness since 2015 is occuriing (see here for magnitude chart), more details are in this astronomers telegram.

Observations are urgently required to follow this dimming in multiple wavelengths. Full details of what is required for observations are here https://www.aavso.org/aavso-alert-notice-532 . The AAVSO also have magnitude comparison charts to follow the star over this dimming.

The star is in Cygnus approximately between alpha and delta Cygni. It is only observable from Northern Scopes, between 1:30 am local time to astronomical twilight at around 4:00 am.

Coordinates (J2000):  RA 20 06 15.46 , Dec +44 27 24.8

 

 

 

 

Wednesday
Oct212015

ALERT! Observations Requested for Bizarre Kepler Star KIC 08462852

Location of KIC 08462852 from Mayhill NM at astronomical twilight. 30 Cyg is shown for orientation with the medium resolution map. Click to embiggen.

The inter tubes have been in uproar about the Kepler star KIC 08462852, a star with highly unusual dips in light intensity.  The Kepler probe was designed to find extrasolar planets by watching for the minute dips in a stars light as a planet crosses in front of it.

KIC 08462852 is highly unusual in that it has quite strong decreases in light intensity, far deeper than a Jupiter-style planet would produce, and the dips can last several days.

Bizarrely, the dips in the light are asymmetric and aperiodic, with dips occurring anywhere between 20 days apart to over a year apart (500 days).

Medium resolution finder chart chart of the  location of KIC 08462852, 30 Cyg and TYC 3559-2126-1 are show for orientation, the rectangle is the field of view of T5 and T17. Click to embiggen.

Various explanations have been tried, and rejected for this behaviour, the leading one being a swarm of evaporating comets. However the public imagination (or at least the imagination of the tabloids), was caught by the (unlikely) possibility that this represents the signature of an orbiting alien megastructure.

Whatever is the explanation, continued examination of this fascination star is required.

Observations have been requested by the AAVSO for KIC 08462852 in multiple bands, at least V and B, in order to try and work out the source of the variability.

High resolution finder chart chart of the  location of KIC 08462852, TYC 3559-2126-1 is shown for orientation with the medium resolution map, the rectangle is the field of view of T5 and T17. Click to embiggen.

KIC 08462852 is reasonably bright, magnitude 11.88, and should be well suitable for imaging with 30-60 second exposures (around 10 exposures should be enough for a good determination). Peter Lake has used 30 second images to profile this star.

The coordinates of KIC 08462852 are (J2000):  RA 20 06 15.46 , Dec +44 27 24.8. The star seems to be identical to TYC 3162-665-1.

You will need to have images from stars of known magnitude for comparison I have included the AAVSO magnitude comparison map as well for ease of use (click to mebiggen), or you can get it via the AAVSO start plotter.

Please promptly report all observations to the AAVSO International Database using the name "KIC 8462852"; please note the space between "KIC" and the identifier which is required for submission.

Information on submitting observations to the AAVSO may be found at: http://www.aavso.org/webobs

You can read more about KIC 08462852 in a recent paper by Boyajian et al. (2015), available at the following URL:    http://arxiv.org/abs/1509.03622