Skip to main content

Special Notice #51: V5558 Sgr chart update

June 29, 2007

The slow nova V5558 Sgr appears to be close to orbrighter than m(vis) = 7.6, and brighter comparisonstars than the initial bright limit of the chartmay be required. If necessary, please use the two additional comparison stars for this object that may be obtained by plotting a 240-arcmin chart with VSP:

obsolete link: [http://www.aavso.org/observing/charts/vsp/]

2016 link: https://www.aavso.org/vsp

The brighter of the two new comparison stars(HD 167771) extends the sequence for V5558 Sgr to m(vis)=6.5. As before, both visual and instrumental photometric observations are
urgently requested as this object continues to exhibit anomalous behavior.

Coordinates for V5558 Sgr are:
RA 18:10:18.26, Dec -18:46:51.9 (J2000)

Please report observations to the AAVSO as 1804-18 V5558 SGR.

Matthew Templeton

----------------------------------
SUBMIT OBSERVATIONS TO THE AAVSO

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

SPECIAL NOTICE ARCHIVE AND SUBSCRIPTION INFORMATION

A Special Notice archive is available at the following URL:
https://www.aavso.org/special-notice-archive

Subscribing and Unsubscribing may be done at the following URL:
https://www.aavso.org/observation-notification#specialnotices

-------------------------------------------------

Please support the AAVSO and its mission -- Join or donate today:
https://www.aavso.org/apps/donate/

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484